n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 4 |
4 | 6 |
5 | 40 |
6 | 43 |
7 | 705 |
8 | 789 |
9 | 1148 |
10 | 2140 |
11 | 4276 |
12 | 5512 |
13 | 6672 |
14 | 8754 |
15 | 38434 |
16 | 174501 |
17 | 493578 |
18 | 598249 |
19 | 628064 |
20 | 702774 |
21 | 1368196 |
22 | 4584004 |
23 | 13813057 |
24 | 36425906 |
25 | 87964443 |
26 | 447997476 |
27 | 1964288296 |
[1,2,4,6,40,43,705,789,1148,2140,4276,5512,6672, 8754,38434,174501,493578,598249,628064,702774, 1368196,4584004,13813057,36425906,87964443, 447997476,1964288296] |